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HDP 200

Hammelmann high pressure pumps are built to operate at the continuous maximum duty stated in the performance parameters. Operating pressure and flow rate determine the power and pump selection. We can offer a large number of combinations to meet specific requirements.

Bare shaft pump HDP 170

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Performance parameters

  • Power rating up to 270 hp
  • Operating pressure up to 46,400 psi
  • Flow rate up to 129.1 gpm

  • Rod force: 19,783 lbf
  • Stroke: 2.95 inch
  • Mean piston speed at n2
    416 r.p.m. = 3.4 feet/sec
    495 r.p.m. = 4.1
    593 r.p.m. = 4.9

  • Dimensions : 26.7 inch (length) x 23.6 inch (width)  x 43 inch (height)
    (horizontal version)
  • Weight: approx. 1150 lbs

Hammelmann plunger pumps convert 93 to 98 % of the shaft power to hydraulic energy.



  • Vertical 3 cylinder design
  • Wide variety of complementary ancillaries

Quality and reliability

  • Stainless steel pump head free of alternating stress
  • Bellows form hermetic seal between the suction chamber and crank section
  • Choice of application specific seal assemblies
  • Solid ceramic or tungsten carbide plungers
  • Choice of bronze (standard) or stainless steel suction chamber
  • Crank section calculation by ‘Finite element method’ ensures long working life under continuous load
  • Integral speed reduction gear
  • Pressurised oil lubrication system with oil cooler/filter